With climate change looming as a great challenge of this century, theologian Celia Deane-Drummond will call for the development of a collective conscience as a moral response to the phenomenon in a lecture at 7 p.m. Wednesday, Nov. 30, in Chase Hall Lounge.

Paul Knitter, a leading theologian of religious pluralism, offers the lecture Without Buddha, I Could Not Be a Christian, at 7 p.m. Monday, March 7, in the Edmund S. Muskie Archives at Bates College, 70 Campus Ave.

Riffat Hassan, a feminist theologian and professor of humanities and religious studies at the University of Louisville, will discuss "Women in Islam: A Feminist Perspective" at 7 p.m. Wednesday, Oct. 13, in the Edmund S. Muskie Archives. The public is invited to attend the annual Rayborn Lindley Zerby Lecture without charge. For more information, call the Bates College Office of the Chaplain at 207-786-8272.